264408040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{508477}}^1$

素因数の和:508501

約数の個数: 32

約数和(自身を含む): 640682280

約数和(自身を除く): 376274240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 508477, 1016954, 2033908, 2542385, 4067816, 5084770, 6610201, 10169540, 13220402, 20339080, 26440804, 33051005, 52881608, 66102010, 132204020, 264408040]

約数ペア:

[(1, 264408040), (2, 132204020), (4, 66102010), (5, 52881608), (8, 33051005), (10, 26440804), (13, 20339080), (20, 13220402), (26, 10169540), (40, 6610201), (52, 5084770), (65, 4067816), (104, 2542385), (130, 2033908), (260, 1016954), (520, 508477)]